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DAGSTUHL
1993
9 years 19 days ago
Syntax and Semantics of Hybrid Database Languages
Abstract. We present the hybrid query language HQL/EER for an Extended Entity-Relationship model. As its main characteristic, this language allows a user to freely mix graphical an...
Marc Andries, Gregor Engels
DAGSTUHL
1997
9 years 20 days ago
Transitioning Temporal Support in TSQL2 to SQL3
Richard T. Snodgrass, Michael H. Böhlen, Chri...
DAGSTUHL
1997
9 years 20 days ago
Querying the Uncertain Position of Moving Objects
In this paper we propose a data model for representing moving objects with uncertain positions in database systems. It is called the Moving Objects Spatio-Temporal (MOST) data mod...
A. Prasad Sistla, Ouri Wolfson, Sam Chamberlain, S...
DAGSTUHL
1997
9 years 20 days ago
Techniques and Applications of Deformable Surfaces
This paper presents a technique for local surface extraction from scalar and vector fields using deformable surfaces. The goal of surface extraction is often to find features, o...
I. Ari Sadarjoen, Frits H. Post
DAGSTUHL
1997
9 years 20 days ago
InVIS - Interactive Visualization of Medical Data Sets
Interactive rendering of large data sets requires fast algorithms and rapid hardware acceleration. Both can be improved, but none of this ensures interactive response times. If a ...
Jörg Meyer, Steffen Gelder, Timna E. Schneide...
DAGSTUHL
1997
9 years 20 days ago
Interpolation and Approximation of Surfaces from Three-dimensional Scattered Data Points
There is a wide range of applications for which surface interpolation or approximation from scattered data points in space is important. Dependent on the field of application and...
Robert Mencl, Heinrich Müller
DAGSTUHL
1997
9 years 20 days ago
Scattered Data Techniques for Surfaces
This survey presents several techniques for solving variants of the following scattered data interpolation problem: given a nite set of N points in R3, nd a surface that interpola...
Suresh K. Lodha, Richard Franke
DAGSTUHL
1997
9 years 20 days ago
Spotting Structure in Complex Time Dependent Flow
Analyzing structure in complex time dependent flow fields is a challenging problem. This paper describes the use of spot noise for the visualization of this type of fields. Spo...
Wim C. de Leeuw, Robert van Liere
DAGSTUHL
1997
9 years 20 days ago
Ray-Based Data Level Comparisons of Direct Volume Rendering Algorithms
This paper describes and demonstrates the e ectiveness of several metrics for data level comparison of direct volume rendering (DVR) algorithms. The focus is not on speed ups from...
Kwansik Kim, Alex Pang
DAGSTUHL
1997
9 years 20 days ago
The Consensus Glossary of Temporal Database Concepts - February 1998 Version
Abstract. This document1 contains de nitions of a wide range of concepts speci c to and widely used within temporal databases. In addition to providing de nitions, the document als...
Christian S. Jensen, Curtis E. Dyreson, Michael H....
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